Opening Bell, December 27, 2017

9:30 AM ET Wed, 27 Dec 2017

Colleen Sheehey-Church, Mothers Against Drunk Driving national president, marking the organization's 37th year, at the NYSE, and Steve Fastook, CNBC Technical Operations senior vice president and CNBC's technical and engineering team celebrating "Squawk Box's" new set at the Nasdaq, ring today's opening bells.